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import abc
import six
from dlab_core.domain.exceptions import DLabException
[docs]class UseCaseException(DLabException):
"""Base class for UseCase execution exceptions."""
pass
[docs]@six.add_metaclass(abc.ABCMeta)
class BaseUseCase:
"""Base class for UseCases."""
@abc.abstractmethod
[docs] def execute(self):
"""Execute Use Case. Main business logic for exact use case."""
raise NotImplementedError